@article{hilbertcurveprojectiondistancefor,
  title = {Hilbert Curve Projection Distance for Distribution Comparison},
  author = {Tao Li and Cheng Meng and Hongteng Xu and Jun Yu},
  year = {2022},
  eprint = {2205.15059},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2205.15059v4},
}